def test_search_is_postponed_until_actual_action_like_questioning_count():
GIVEN_PAGE.opened_empty()
elements = driver.all('li').filtered_by(css_class('will-appear'))
WHEN.load_body('''
<ul>Hello to:
<li>Anonymous</li>
<li class='will-appear'>Bob</li>
<li class='will-appear'>Kate</li>
</ul>''')
assert len(elements) == 2
def test_search_is_updated_on_next_actual_action_like_questioning_displayed():
GIVEN_PAGE.opened_empty()
element = driver.all('.will-appear').element_by(css_class('special'))
WHEN.load_body('''
<ul>Hello to:
<li class="will-appear">Bob</li>
<li class="will-appear special">Kate</li>
</ul>''')
assert element.is_displayed() is True
WHEN.load_body('''
<ul>Hello to:
<li class="will-appear">Bob</li>
<li class="will-appear special" style="display:none">Kate</li>
</ul>''')
assert element.is_displayed() is False
def test_waits_nothing():
GIVEN_PAGE.opened_empty()
elements = driver.all('li').filtered_by(css_class('will-appear'))
WHEN.load_body('''
<ul>Hello to:
<li>Anonymous</li>
<li class='will-appear'>Bob</li>
<li class='will-appear' style='display:none'>Kate</li>
</ul>''')
assert len(elements) == 2
WHEN.load_body_with_timeout('''
<ul>Hello to:
<li>Anonymous</li>
<li class='will-appear'>Bob</li>
<li class='will-appear' style='display:none'>Kate</li>
<li class='will-appear'>Joe</li>
</ul>''',
500)
assert len(elements) == 2
def test_search_is_lazy_and_does_not_start_on_creation():
GIVEN_PAGE.opened_empty()
non_existent_collection = driver.all('.not-existing').filtered_by(
css_class('special'))
assert str(non_existent_collection)